Multiply by 15 Worksheet
The fast method (Ten and half again): Multiply by 10: 46 → 460. Halve that answer: half of 460 is 230. Add the two: 460 + 230 = 690.
NameDateTime takenScore ___ / 40
- 1.32 × 15 =
- 2.52 × 15 =
- 3.54 × 15 =
- 4.38 × 15 =
- 5.34 × 15 =
- 6.12 × 15 =
- 7.23 × 15 =
- 8.20 × 15 =
- 9.27 × 15 =
- 10.62 × 15 =
- 11.40 × 15 =
- 12.37 × 15 =
- 13.33 × 15 =
- 14.28 × 15 =
- 15.49 × 15 =
- 16.19 × 15 =
- 17.59 × 15 =
- 18.5 × 15 =
- 19.10 × 15 =
- 20.45 × 15 =
- 21.28 × 15 =
- 22.43 × 15 =
- 23.22 × 15 =
- 24.41 × 15 =
- 25.31 × 15 =
- 26.54 × 15 =
- 27.43 × 15 =
- 28.10 × 15 =
- 29.45 × 15 =
- 30.60 × 15 =
- 31.25 × 15 =
- 32.56 × 15 =
- 33.45 × 15 =
- 34.47 × 15 =
- 35.12 × 15 =
- 36.38 × 15 =
- 37.37 × 15 =
- 38.9 × 15 =
- 39.64 × 15 =
- 40.45 × 15 =
Answer key
- 480
- 780
- 810
- 570
- 510
- 180
- 345
- 300
- 405
- 930
- 600
- 555
- 495
- 420
- 735
- 285
- 885
- 75
- 150
- 675
- 420
- 645
- 330
- 615
- 465
- 810
- 645
- 150
- 675
- 900
- 375
- 840
- 675
- 705
- 180
- 570
- 555
- 135
- 960
- 675
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths